Q 01/05

A harpy eagle's rear talons grow about as long as the claws of which large North American predator?

A) Grizzly bear

B) Mountain lion

C) Gray wolf

D) Wolverine

Answer · why

A) Grizzly bear

Grizzly bear claws and a harpy eagle's rear talons both reach three to five inches, giving the bird the largest talons of any living eagle.

Q 02/05

Which tree-dwelling mammals, plucked from high branches, make up most of a harpy eagle's diet?

A) Monkeys

B) Sloths

C) Squirrels

D) Opossums

Answer · why

B) Sloths

Sloths made up 79 percent of the prey delivered to one studied Amazon nest, and a harpy eagle can pluck a full-grown one off a branch in flight.

Q 03/05

Which country made the harpy eagle its national bird and shows one on its coat of arms?

A) Costa Rica

B) Honduras

C) Nicaragua

D) Panama

Answer · why

D) Panama

Panama declared the harpy eagle its national bird in 2002, after a campaign in schools and communities taught people that the huge raptor is not dange...

Q 04/05

The harpy eagle has a ring of face feathers that funnels sound to its ears, like which other birds?

A) Parrots

B) Toucans

C) Herons

D) Owls

Answer · why

D) Owls

Owls are famous for the facial disc, yet the harpy eagle is one of the few daytime raptors with one, and it can raise or lower the feathers at will.

Q 05/05

What surprising thing can a harpy eagle do with its head to get a better look at prey?

A) Spin it in a full circle

B) Turn it upside down

C) Tilt it straight backwards

D) Stretch it far forward

Answer · why

B) Turn it upside down

A harpy eagle can turn it upside down to study a target, and its eyes can pick out an object under an inch wide from 200 metres away.